EP4196358A1 - Lenker für eine radaufhängung eines kraftfahrzeugs sowie radaufhängung für ein rad einer vorderachse eines kraftfahrzeugs - Google Patents
Lenker für eine radaufhängung eines kraftfahrzeugs sowie radaufhängung für ein rad einer vorderachse eines kraftfahrzeugsInfo
- Publication number
- EP4196358A1 EP4196358A1 EP21739099.6A EP21739099A EP4196358A1 EP 4196358 A1 EP4196358 A1 EP 4196358A1 EP 21739099 A EP21739099 A EP 21739099A EP 4196358 A1 EP4196358 A1 EP 4196358A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- link
- bearing
- motor vehicle
- wheel
- vehicle body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/02—Attaching arms to sprung part of vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
- B60G2200/14—Independent suspensions with lateral arms
- B60G2200/156—Independent suspensions with lateral arms wishbone-type arm formed by two links defining a virtual apex
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/418—Bearings, e.g. ball or roller bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/45—Stops limiting travel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/016—Constructional features of suspension elements, e.g. arms, dampers, springs allowing controlled deformation during collision
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/10—Constructional features of arms
- B60G2206/11—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link
Definitions
- the invention relates to a control arm for a wheel suspension of a motor vehicle according to the type specified in the preamble of patent claim 1 and a wheel suspension for a wheel of a front axle of a motor vehicle according to the type specified in the preamble of patent claim 6.
- DE 10 2013 016 766 A1 discloses a method for controlling improved deformation behavior in the front end of a motor vehicle in the course of small-overlap deformation.
- the method provides that a wheel, which in a non-collision situation is guided by load-bearing guide means relative to the motor vehicle body, is influenced in its position in the event of a collision by interrupting a load transfer to the wheel by at least one load-bearing guide means and moving the wheel longitudinally in the vehicle - and viewed transversely deflected to the rear and outwards as a result is fed to stiff areas and in particular sills.
- Load-transmitting guide means hereinafter abbreviated as links, are well known from the prior art. Reference is only made to JP 20071394 A as an example, which already discloses a link which has a bearing eye and which is pivotably mounted on the vehicle body via a chassis bearing pressed into the bearing eye.
- the invention is based on the object of further developing a control arm for a wheel suspension of a motor vehicle according to the type specified in the preamble of claim 1 in such a way that in the event of a small-overlap crash, a targeted failure of the control arm is ensured, but without affecting the function of the control arm in operation and in the event of special and abuse events.
- Subclaims 2 to 5 represent advantageous developments of the control arm according to the invention.
- the control arm according to the invention in particular transverse control arm, comprises, in a known manner, a control arm base with a bearing point on the wheel side and a bearing point on the vehicle body.
- the bearing point on the motor vehicle body is designed in the form of a bearing eye into which a chassis bearing can be inserted or pressed. Via the chassis bearing that can be inserted into the bearing eye, the link can be fastened or stored in a known manner on the motor vehicle body so that it can pivot about the bearing axis.
- the bearing that can be inserted or pressed into the bearing eye is designed in particular in the form of a rubber-metal bearing, via which the handlebar - in the installed state - can be mounted on the motor vehicle body so that it can pivot about the bearing axis, which is essentially aligned in the longitudinal direction of the vehicle.
- the bearing eye is designed as a predetermined breaking part, which breaks up in a targeted manner when a predetermined misuse load is exceeded.
- the misuse load is selected so that it is only to be expected if a correspondingly specified maximum permissible moment load and/or a correspondingly specified maximum tensile load is exceeded, which is only to be expected in a small-overlap crash, ie a frontal collision with a small width overlap or are, a breakup of the bearing eye occurs. I.e. the operation of the driver in normal ferry operations as well as in other special and/or misuse events, such as a very brisk crossing of a high curb or similar, is ensured.
- the design of the link according to the invention proves to be particularly advantageous, since this ensures a targeted failure of the link in a simple manner in the event of a small-overlap crash.
- a further advantage of the configuration according to the invention namely the design of the bearing eye as a predetermined breaking part, is that this can be implemented in a structurally simple manner, as a result of which cost-effective manufacture of the link is ensured.
- the bearing eye preferably has two predetermined breaking points which are essentially opposite one another, viewed in the radial direction r of the bearing eye.
- a second embodiment provides that the predetermined breaking points are in the form of two locally limited material abrasions of the lateral surface of the bearing eye—viewed in the circumferential direction of the bearing eye.
- the advantage of designing the predetermined breaking points in the form of notches or material removals is that they can be produced quickly and inexpensively using machining production processes and/or forming production processes.
- the stop is dimensioned in terms of its extension length and positioned in relation to the bearing eye in such a way that - again viewed in the installed state of the control arm - when a specified, maximum permissible pivoting movement of the control arm about the vertical axis (z-direction) is exceeded in the bearing point on the motor vehicle body , the stop contacts a support surface provided on the motor vehicle body.
- the effect of this configuration is that, in the event of a small-overlap crash, a leverage effect is generated because the stop is supported on the support surface provided, so that the intended, targeted breaking open of the bearing eye is advantageously supported.
- the invention is also based on the object of further developing a wheel suspension for a wheel of a front axle of a motor vehicle according to the type specified in the preamble of claim 6 in such a way that in the event of a small-overlap crash, a simplified separation of the support arm is ensured and, as a result, a A wheel is prevented from entering the passenger compartment.
- Subclaims 7 to 10 represent advantageous developments of the wheel suspension.
- the wheel suspension for a wheel on a front axle of a motor vehicle, the wheel is articulated or guided via a link assembly on the motor vehicle body.
- the wheel suspension is designed in such a way that in the event of a small-overlap crash, ie a head-on collision with an obstacle with a small width overlap, the load transfer from a link of the link assembly to the wheel on the side of the accident is interrupted and the wheel in the longitudinal and transverse direction of the vehicle (x- , and y-direction) is deflected backwards outwards.
- the link interrupting the load transmission is designed according to one of claims 1 to 5.
- the wheel suspension according to the invention proves to be particularly advantageous because - in contrast to the prior art according to DE 10 2013 016 766 A1 - no additional destruction device is required to interrupt the load transmission of a link, so that compared to the prior art according to DE 10 2013 016 766 A1 provides a space-saving wheel suspension which has fewer components, is structurally significantly simplified and is therefore particularly cost-effective.
- the link is preferably designed as a wishbone.
- the arrangement of the control arm is optional and depends on the package, i.e. the wishbone can be arranged as a supporting arm together with a trailing arm in the lower control arm level. However, it is also conceivable to arrange the transverse link with at least one further trailing link in the upper link level.
- Another effect of the rubber-metal mount is that in the event of a small-overlap crash and the resulting deflection of the handlebars backwards in the x-direction, ie against the direction of travel, the cardanic entanglement that occurs in the rubber-metal mount a high moment M is generated in the vehicle body-side bearing point around the vertical axis, so that from the combination of moment M and the tensile force acting on the link, the intended tearing of the bearing eye or the predetermined breaking points of the bearing eye is ensured.
- a further preferred embodiment of the wheel suspension according to the invention provides that the vehicle body-side chassis bearing of the control arm is mounted between two bearing legs of a bearing bracket, which are essentially aligned in the y direction, i.e. the vehicle transverse direction, and that on the rear bearing leg, viewed in the x direction, there is a support surface for the handlebar base-side stop is formed.
- the support surface formed on the rear bearing leg and the stop formed on the link base are positioned relative to one another and dimensioned such that after a specified, maximum permissible pivoting movement of the link in the motor vehicle body-side bearing bracket around the vertical direction of the vehicle (z-direction) has been exceeded, the stop at the rear Contacted bearing leg trained support surface.
- the link assembly of the wheel suspension is preferably mounted on the motor vehicle body via an auxiliary frame.
- FIG. 1 shows a first embodiment of a link according to the invention
- FIG. 2 shows the control arm from FIG. 1 in the installed state in a wheel suspension
- FIG. FIG. 3 shows the wheel suspension from FIG. 2 in a small-overlap crash situation
- FIG. 5 shows a further embodiment of the link from FIG. 4;
- FIG. 6 shows the control arm from FIG. 4 in the installed state in a wheel suspension
- FIG. 7 shows the control arm from FIG. 4 in a small-overlap crash situation.
- the link 10 comprises a link base 12 and a bearing eye, which is formed at one end of the link base 12 and is denoted overall by the reference number 14, for receiving a chassis bearing—not shown here.
- the bearing eye 14 has two predetermined breaking points 16 - 1 , 16 - 2 arranged radially opposite one another, which in the present case are in the form of two notched points.
- the link 10 can be pivoted between two bearing legs 22-1, 22-2 via a rubber-metal bearing 18 pressed into the bearing eye 14 about a bearing axis 20 aligned essentially in the x-direction mounted on the motor vehicle body arranged bearing bracket 22.
- the are two notch points in the front annular face 14-1 of the bearing eye 14 viewed in the x-direction ( direction of travel).
- the notches are dimensioned in such a way that when a predetermined misuse load is exceeded, the bearing eye 14 breaks open in a targeted manner in order to enable the link 10 to separate.
- the misuse load is selected so that it is only to be expected if a correspondingly specified maximum permissible moment load and/or a correspondingly specified maximum tensile load is exceeded, which is only to be expected in a small-overlap crash, ie a frontal collision with a small width overlap , a breaking of the bearing eye 14 occurs. I.e. the operation of the link 10 in normal ferry operation as well as in other special and/or abuse events, such as driving over a high curb or the like very briskly, is ensured.
- the link 10 is deflected backwards in the x-direction (opposite to the direction of travel) around the bearing point—here referred to as the U3 point. Due to the deflection of the link 10 to the rear, a cardanic entanglement occurs in the rubber-metal bearing 18, as a result of which a high restoring moment M is generated at the U3 point about the z-axis.
- moment M and tensile force F acting on link 10 is sufficient to trigger a targeted failure of bearing eye 14, ie bearing eye 14 first breaks open at predetermined breaking points 16-1 and 16-2 designed as notches, then tears completely and releases the handlebar 10, so that the earliest possible separation of the handlebar 10 is guaranteed.
- the embodiment of the link 10 shown in FIG. 4 essentially corresponds to the embodiment shown in FIG. 1; according to the in Fig.
- a stop 24 is formed on the handlebar base 12 in the area of the bearing eye 14.
- a support surface 26 is formed on the opposite bearing bracket 22-1, i.e. the rear bearing bracket 22-1 in the x-direction (direction of travel).
- the stop 24 and the support surface 26 are positioned and dimensioned in such a way that in a small-overlap crash situation, cf. Fig. 7, after a defined, maximum permissible pivoting movement of the link 10 about the U3 point has been exceeded, the stop 24 in Plant reaches the support surface 26. This creates an additional leverage effect, which advantageously supports the targeted breaking open of the bearing eye 14 as described under FIG.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020121159.7A DE102020121159B4 (de) | 2020-08-12 | 2020-08-12 | Lenker für eine Radaufhängung eines Kraftfahrzeugs sowie Radaufhängung für ein Rad einer Vorderachse eines Kraftfahrzeugs |
| PCT/EP2021/068139 WO2022033762A1 (de) | 2020-08-12 | 2021-07-01 | Lenker für eine radaufhängung eines kraftfahrzeugs sowie radaufhängung für ein rad einer vorderachse eines kraftfahrzeugs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4196358A1 true EP4196358A1 (de) | 2023-06-21 |
| EP4196358B1 EP4196358B1 (de) | 2026-01-07 |
Family
ID=76807644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21739099.6A Active EP4196358B1 (de) | 2020-08-12 | 2021-07-01 | Kraftfahrzeug |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12151534B2 (de) |
| EP (1) | EP4196358B1 (de) |
| CN (1) | CN116113552B (de) |
| DE (1) | DE102020121159B4 (de) |
| WO (1) | WO2022033762A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022204921B4 (de) * | 2022-05-18 | 2025-09-11 | Volkswagen Aktiengesellschaft | Aggregatlager und Kraftfahrzeug mit einem solchen |
| CN117734359A (zh) * | 2022-09-20 | 2024-03-22 | 马自达汽车株式会社 | 前悬架装置 |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4337799C2 (de) * | 1993-11-05 | 2001-09-20 | Opel Adam Ag | Radaufhängung für ein Kraftfahrzeug |
| DE4340557C2 (de) * | 1993-11-29 | 1995-09-28 | Porsche Ag | Radaufhängung |
| JP3705157B2 (ja) | 2001-06-05 | 2005-10-12 | 日産自動車株式会社 | サスペンションアームの取り付け構造 |
| US6688617B2 (en) * | 2001-12-07 | 2004-02-10 | Dana Corporation | Positive shim locking system for suspension adjustment device |
| JP2003336232A (ja) * | 2002-05-23 | 2003-11-28 | Hitachi Industrial Equipment Systems Co Ltd | 阻止装置 |
| JP4662251B2 (ja) | 2005-06-23 | 2011-03-30 | 日本軽金属株式会社 | サスペンションメンバ |
| JP4258542B2 (ja) | 2006-09-13 | 2009-04-30 | 船井電機株式会社 | 光ディスク装置及び対物レンズの種類判別方法 |
| DE102007024741A1 (de) | 2007-05-26 | 2008-12-04 | Jörn GmbH | Elastisches Lager mit einer Elastomermetallbuchse, insbesondere für die Lagerung eines Stabi-Lenkers an einem Kraftfahrzeug |
| KR101305680B1 (ko) | 2007-11-13 | 2013-09-09 | 현대자동차주식회사 | 차량용 커플드 토션빔 액슬 |
| KR20110054471A (ko) * | 2009-11-17 | 2011-05-25 | 현대자동차주식회사 | 자동차의 현가장치 |
| CN201694013U (zh) | 2010-07-09 | 2011-01-05 | 中集车辆(集团)有限公司 | 车辆悬挂系统的轴衬套组件 |
| DE102011018276A1 (de) * | 2011-04-20 | 2012-10-25 | Audi Ag | Radaufhängung für eine Achse eines Kraftfahrzeuges |
| IN2014CN03475A (de) * | 2012-01-25 | 2015-10-09 | Honda Motor Co Ltd | |
| DE102012022889A1 (de) * | 2012-11-23 | 2014-05-28 | Audi Ag | Stabilisatoranordnung für eine Radaufhängung von Kraftfahrzeugen |
| KR20140072521A (ko) | 2012-12-05 | 2014-06-13 | 현대자동차주식회사 | 가변 아암 |
| DE102013016766B4 (de) | 2013-10-10 | 2023-12-21 | Audi Ag | Verfahren zur Steuerung eines verbesserten Deformationsverhaltens in einem Kraftfahrzeug-Vorderwagen und Vorrichtung |
| DE102013016767A1 (de) * | 2013-10-10 | 2014-08-07 | Audi Ag | Verfahren zur Steuerung eines verbesserten Deformationsverhaltens in einem Kraftfahrzeug-Vorderwagen und Vorrichtung |
| KR101500414B1 (ko) * | 2013-12-18 | 2015-03-10 | 현대자동차 주식회사 | 차륜 이탈유도장치 |
| KR101673344B1 (ko) * | 2015-04-14 | 2016-11-07 | 현대자동차 주식회사 | 래터럴 암의 휠 거동 제어 구조 |
| DE102015011707B4 (de) | 2015-09-05 | 2020-07-16 | Audi Ag | Radaufhängungsbauteil für ein Kraftfahrzeug |
| DE102016206284A1 (de) | 2016-04-14 | 2017-10-19 | Volkswagen Aktiengesellschaft | Schwenklager für die Einzelradaufhängung eines Vorderrades |
| JP6791000B2 (ja) * | 2017-05-09 | 2020-11-25 | トヨタ自動車株式会社 | サスペンションアーム |
| US10252592B2 (en) * | 2017-06-08 | 2019-04-09 | Ford Global Technologies, Llc | Suspension system including releasable connection |
| DE102017210976A1 (de) * | 2017-06-28 | 2019-01-03 | Audi Ag | Verfahren zum Herstellen eines Kugelzapfens |
| US10543726B2 (en) | 2017-09-25 | 2020-01-28 | Ford Global Technologies, Llc | Lower control arm |
| JP6863207B2 (ja) * | 2017-09-29 | 2021-04-21 | トヨタ自動車株式会社 | ロアアーム支持ブラケット及びこれを備えるロアアーム支持機構 |
| KR102481873B1 (ko) * | 2018-08-07 | 2022-12-27 | 현대모비스 주식회사 | 차량용 서스펜션 장치 |
| US11130380B2 (en) * | 2018-09-18 | 2021-09-28 | Caterpillar Inc. | Wear disc for suspension |
| DE102019216371A1 (de) * | 2019-10-24 | 2021-04-29 | Zf Friedrichshafen Ag | Fahrwerkbauteil mit einer Messeinrichtung sowie Verfahren zum Herstellen eines solchen Fahrwerkbauteils |
-
2020
- 2020-08-12 DE DE102020121159.7A patent/DE102020121159B4/de active Active
-
2021
- 2021-07-01 WO PCT/EP2021/068139 patent/WO2022033762A1/de not_active Ceased
- 2021-07-01 CN CN202180057978.XA patent/CN116113552B/zh active Active
- 2021-07-01 US US18/004,216 patent/US12151534B2/en active Active
- 2021-07-01 EP EP21739099.6A patent/EP4196358B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN116113552B (zh) | 2025-08-26 |
| US12151534B2 (en) | 2024-11-26 |
| DE102020121159A1 (de) | 2022-02-17 |
| DE102020121159B4 (de) | 2025-01-23 |
| CN116113552A (zh) | 2023-05-12 |
| EP4196358B1 (de) | 2026-01-07 |
| WO2022033762A1 (de) | 2022-02-17 |
| US20230286341A1 (en) | 2023-09-14 |
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